PILE OF RUBBLE: Henry Alston sifted through the rubble of his father’s home in Colerain, N.C., Monday. Hundreds of tornadoes ripped across the South from Thursday through Saturday, killing at least 45 people. North Carolina was the worst-hit state and suffered the most deaths. (Jim R. Bounds/Associated Press)

WASHING HAIR: Women washed their hair in the spray from a decorative fountain in Kathmandu, Nepal, Monday, seeking cleanliness and health on a Hindu and Buddhist holy day. (Navesh Chitrakar/Reuters)

STREET VIOLENCE: Opposition supporters in Nigeria’s Muslim north protested Monday in the city of Kano, as election officials released results indicating incumbent President Goodluck Jonathan, a Christian, had an insurmountable lead in Saturday’s election. (Seyllou Diallo/Agence France-Presse/Getty Images)

SUN-KISSED: Police officers stood guard — and reflected the sun — Monday outside a Kampala, Uganda, police station where opposition leader Kizza Besigye was being held after his arrest. Mr. Besigye is charged with engaging in riotous behavior and inciting violence. (Edward Echwalu/Reuters)

EXHAUSTED: Kenya’s Caroline Kilel fell to the ground after finishing first among the women in the Boston Marathon Monday. Fellow Kenyan Geoffrey Mutai won the men’s race, setting a new world record with a time of 2 hours, 3 minutes and 2 seconds. (Elise Amendola/Associated Press)